CPO

What Is an Unique Open?

An Unique Open means any number of opens of a campaign email, by a single subscriber, made within one hour counted from the first open, which means that if several opens of one single e-mail hap...

What is The CPO (Cost-Per-Open)?

CPO (cost-per-open) is the amount of money the advertiser is willing to pay per email opened. Bear in mind that Emailbidding only counts Unique Opens for performance measurements and billing. The ...

How the bidding works

On Emailbidding’s Marketplace, campaigns compete between each other to win a subscriber within a common targeted audience. But what makes your campaign competitive? The Bid value is set by the Adve...